204938 has 8 divisors (see below), whose sum is σ = 314688. Its totient is φ = 100044.

The previous prime is 204931. The next prime is 204947. The reversal of 204938 is 839402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204931) by changing a digit.

204938 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106 + ... + 1277.

It is an arithmetic number, because the mean of its divisors is an integer number (39336).

2²⁰⁴⁹³⁸ is an apocalyptic number.

204938 is a deficient number, since it is larger than the sum of its proper divisors (109750).

204938 is a wasteful number, since it uses less digits than its factorization.

204938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 204938 is about 452.7007841831. The cubic root of 204938 is about 58.9577404938.

The spelling of 204938 in words is "two hundred four thousand, nine hundred thirty-eight".